Multiple Choice QuestionWater with a high oxygen content (greater than 6 ppm) will support Blank______, which is an indicator of good water quality.Multiple choice question.game fishmainly worms and bacteriaonly decomposers

Multiple Choice QuestionWhen the demand for water in an area is greater than the available water supply, or if poor water quality limits its use, the area is experiencing Blank______.Multiple choice question.water scarcitydroughtwater stress

When compared to their environment, freshwater vertebrates have Blank______ solute concentration in their fluids.Multiple choice question.the samea highera lower

Polluted water would have a BOD reading between what level?Group of answer choices1–2 ppm3–5 ppm6–9 ppm

Multiple Choice QuestionNearly 40 percent of freshwater used for agricultural and domestic use in the United States comes from Blank______.Multiple choice question.desalinized ocean waterlakes and riversglaciersgroundwater

What are the three biological concerns of water quality? (Mark all that apply.)Group of answer choicesProtozoaVirusesHigh dissolved oxygen (DO) levelsBacteriaHard water (calcium and magnesium)